Original U.S. Vietnam War Era 1967-Dated M5 Helicopter / Vehicle Mounted Riot Control Agent Disperser Overhauled in 1984 with M9 Agent Disperser Wand - Used by 1st Cavalry Division in Vietnam Military Awards Medals Badges Insignia The front of the helmet

The front of the helmet bears metal Captain's bars which appear to be soldered in place

There is powder burn around the cap nipple cone on the barrel

This system was then assigned to an Army Early Operational Capability (EOC) unit from July 1983-July 1984 which conducted 20 flights

the division was left to clear the battlefield

and the Soviet Union

Original U.S. Vietnam War Era 1967-Dated M5 Helicopter / Vehicle Mounted Riot Control Agent Disperser Overhauled in 1984 with M9 Agent Disperser Wand - Used by 1st Cavalry Division in Vietnam Military Awards Medals Badges Insignia The front of the helmetOriginal Item. Only One Available. Agents, Riot control agents, or water can be used to distract, deter, or disable disorderly people. Usually their effects are temporary and disappear within minutes of exposure. The choice of whether to use a particular riot control agent or water in a given situation is based on the physical characteristics of the target area. Weather, especially wind, affects the employment of riot control agents and water.